Could be because KSUB is in Cedar City, Utah and is a small station. He is certainly not qualified to render an expert opinion on the how's and why's of talk radio.
The way talk shows are run on the big stations is almost the same way they've always done it except for computerization and more modern equipment.
The mechanics of a talk show remain the same.
This guy has already turned green for St. Patrick's day, in his envy of Rush, et al. It shows in the way he tries to bring them down to his level.
If that's the way he really thinks it's done, he might as well go ahead and buy a house in Cedar City, because he has already reached the high-water mark in his career.
By the way, Cedar City ain't no city. There's a nice photo of their downtown here at their website:
It does look like a nice little town to live in, but not big enough to sustain a radio career. It is a university town so maybe he's still in school. In any case, here's a guy at a "peanut whistle" radio station analyzing the big boys and offering his advice.
Never mind his motivations. I found in the limited space allotted, he was probably right about 75-85% of the time as to how callers on the national shows are handled. Yes, there are always exceptions to those rules, but to give the details to everyone would miss the point.